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src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp

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rev 49826 : imported patch 6672778-partial-queue-trimming
rev 49828 : imported patch 6672778-stefanj-review
rev 49829 : imported patch 6672778-inconsistent-time-fixes
   1 /*
   2  * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "gc/shared/referenceProcessorPhaseTimes.hpp"
  29 #include "logging/logLevel.hpp"
  30 #include "memory/allocation.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 class LineBuffer;

  34 class STWGCTimer;
  35 
  36 template <class T> class WorkerDataArray;
  37 
  38 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  39   uint _max_gc_threads;
  40   jlong _gc_start_counter;
  41   double _gc_pause_time_ms;
  42 
  43  public:
  44   enum GCParPhases {
  45     GCWorkerStart,
  46     ExtRootScan,
  47     ThreadRoots,
  48     StringTableRoots,
  49     UniverseRoots,
  50     JNIRoots,
  51     ObjectSynchronizerRoots,
  52     ManagementRoots,
  53     SystemDictionaryRoots,


 181   void debug_time_for_reference(const char* name, double value) const;
 182   void trace_time(const char* name, double value) const;
 183   void trace_count(const char* name, size_t value) const;
 184 
 185   double print_pre_evacuate_collection_set() const;
 186   double print_evacuate_collection_set() const;
 187   double print_post_evacuate_collection_set() const;
 188   void print_other(double accounted_ms) const;
 189 
 190  public:
 191   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 192   void note_gc_start();
 193   void print();
 194 
 195   // record the time a phase took in seconds
 196   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 197 
 198   // add a number of seconds to a phase
 199   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 200 


 201   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 202 
 203   // return the average time for a phase in milliseconds
 204   double average_time_ms(GCParPhases phase);
 205 
 206   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 207 
 208  public:
 209 
 210   void record_prepare_tlab_time_ms(double ms) {
 211     _cur_prepare_tlab_time_ms = ms;
 212   }
 213 
 214   void record_resize_tlab_time_ms(double ms) {
 215     _cur_resize_tlab_time_ms = ms;
 216   }
 217 
 218   void record_derived_pointer_table_update_time(double ms) {
 219     _cur_derived_pointer_table_update_time_ms = ms;
 220   }


 352 
 353   double young_cset_choice_time_ms() {
 354     return _recorded_young_cset_choice_time_ms;
 355   }
 356 
 357   double total_free_cset_time_ms() {
 358     return _recorded_total_free_cset_time_ms;
 359   }
 360 
 361   double non_young_cset_choice_time_ms() {
 362     return _recorded_non_young_cset_choice_time_ms;
 363   }
 364 
 365   double fast_reclaim_humongous_time_ms() {
 366     return _cur_fast_reclaim_humongous_time_ms;
 367   }
 368 
 369   ReferenceProcessorPhaseTimes* ref_phase_times() { return &_ref_phase_times; }
 370 };
 371 
 372 class G1GCParPhaseTimesTracker : public StackObj {
 373   double _start_time;












 374   G1GCPhaseTimes::GCParPhases _phase;
 375   G1GCPhaseTimes* _phase_times;
 376   uint _worker_id;
 377 public:
 378   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 379   ~G1GCParPhaseTimesTracker();










 380 };
 381 
 382 #endif // SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
   1 /*
   2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "gc/shared/referenceProcessorPhaseTimes.hpp"
  29 #include "logging/logLevel.hpp"
  30 #include "memory/allocation.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 class LineBuffer;
  34 class G1ParScanThreadState;
  35 class STWGCTimer;
  36 
  37 template <class T> class WorkerDataArray;
  38 
  39 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  40   uint _max_gc_threads;
  41   jlong _gc_start_counter;
  42   double _gc_pause_time_ms;
  43 
  44  public:
  45   enum GCParPhases {
  46     GCWorkerStart,
  47     ExtRootScan,
  48     ThreadRoots,
  49     StringTableRoots,
  50     UniverseRoots,
  51     JNIRoots,
  52     ObjectSynchronizerRoots,
  53     ManagementRoots,
  54     SystemDictionaryRoots,


 182   void debug_time_for_reference(const char* name, double value) const;
 183   void trace_time(const char* name, double value) const;
 184   void trace_count(const char* name, size_t value) const;
 185 
 186   double print_pre_evacuate_collection_set() const;
 187   double print_evacuate_collection_set() const;
 188   double print_post_evacuate_collection_set() const;
 189   void print_other(double accounted_ms) const;
 190 
 191  public:
 192   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 193   void note_gc_start();
 194   void print();
 195 
 196   // record the time a phase took in seconds
 197   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 198 
 199   // add a number of seconds to a phase
 200   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 201 
 202   void record_or_add_objcopy_time_secs(uint worker_i, double secs);
 203 
 204   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 205 
 206   // return the average time for a phase in milliseconds
 207   double average_time_ms(GCParPhases phase);
 208 
 209   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 210 
 211  public:
 212 
 213   void record_prepare_tlab_time_ms(double ms) {
 214     _cur_prepare_tlab_time_ms = ms;
 215   }
 216 
 217   void record_resize_tlab_time_ms(double ms) {
 218     _cur_resize_tlab_time_ms = ms;
 219   }
 220 
 221   void record_derived_pointer_table_update_time(double ms) {
 222     _cur_derived_pointer_table_update_time_ms = ms;
 223   }


 355 
 356   double young_cset_choice_time_ms() {
 357     return _recorded_young_cset_choice_time_ms;
 358   }
 359 
 360   double total_free_cset_time_ms() {
 361     return _recorded_total_free_cset_time_ms;
 362   }
 363 
 364   double non_young_cset_choice_time_ms() {
 365     return _recorded_non_young_cset_choice_time_ms;
 366   }
 367 
 368   double fast_reclaim_humongous_time_ms() {
 369     return _cur_fast_reclaim_humongous_time_ms;
 370   }
 371 
 372   ReferenceProcessorPhaseTimes* ref_phase_times() { return &_ref_phase_times; }
 373 };
 374 
 375 class G1EvacPhaseWithTrimTimeTracker : public StackObj {
 376   G1ParScanThreadState* _pss;
 377   Ticks _start;
 378 
 379   Tickspan& _total_time;
 380   Tickspan& _trim_time;
 381 public:
 382   G1EvacPhaseWithTrimTimeTracker(G1ParScanThreadState* pss, Tickspan& total_time, Tickspan& trim_time);
 383   ~G1EvacPhaseWithTrimTimeTracker();
 384 };
 385 
 386 class G1GCParPhaseTimesTracker : public CHeapObj<mtGC> {
 387 protected:
 388   Ticks _start_time;
 389   G1GCPhaseTimes::GCParPhases _phase;
 390   G1GCPhaseTimes* _phase_times;
 391   uint _worker_id;
 392 public:
 393   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 394   virtual ~G1GCParPhaseTimesTracker();
 395 };
 396 
 397 class G1EvacPhaseTimesTracker : public G1GCParPhaseTimesTracker {
 398   Tickspan _total_time;
 399   Tickspan _trim_time;
 400 
 401   G1EvacPhaseWithTrimTimeTracker _trim_tracker;
 402 public:
 403   G1EvacPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1ParScanThreadState* pss, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 404   virtual ~G1EvacPhaseTimesTracker();
 405 };
 406 
 407 #endif // SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
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